Michio Ezaki is a Specially Appointed Professor at Reitaku University. As a policy staff member of the National Diet, he has been engaged in policy making on security and intelligence. He is the author of “Ogata Taketora to Nihon no Intelligence” (PHP Research Institute), “Intelligence de Yomigaeru Beichu Kankoku to Keizai Anpo” (Intelligence to Yomigaeru Beichu to Keizai Anpo), “SIGINT” (co-authored with Tadayoshi Shigeta, former Deputy Director of Cabinet Satellite Intelligence Center, Wani Books), and many other books